Rhodanine is sold as a powder under the product numbers 118192 or 114588, both of which are suitable for staining copper.
114588
5-(4-Dimethylaminobenzylidene)rhodanine
97%
Synonym(s):
5-(4-(Dimethylamino)benzylidene)-2-thioxothiazolidin-4-one, p-(Dimethylamino)benzal-5-rhodanine
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About This Item
Empirical Formula (Hill Notation):
C12H12N2OS2
CAS Number:
Molecular Weight:
264.37
Beilstein:
189065
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
Assay:
97%
technique(s):
titration: suitable
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Quality Level
Assay
97%
form
powder
technique(s)
titration: suitable
mp
285-288 °C (lit.)
solubility
H2O: insoluble
acetone: moderately soluble
benzene: very slightly soluble
chloroform: very slightly soluble
diethyl ether: very slightly soluble
λmax
451 nm
functional group
amine
thioether
SMILES string
CN(C)c1ccc(cc1)\C=C2\SC(=S)NC2=O
InChI
1S/C12H12N2OS2/c1-14(2)9-5-3-8(4-6-9)7-10-11(15)13-12(16)17-10/h3-7H,1-2H3,(H,13,15,16)/b10-7+
InChI key
JJRVRELEASDUMY-JXMROGBWSA-N
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Application
5-(4-Dimethylaminobenzylidene)rhodanine is a silver-specific dye that is used to quantitate the autoradiographic deposition of silver onto X-ray film in a colorimetric assay[1]. 5-(4-Dimethylaminobenzylidene)rhodanine is used as an indicator in the titration of cyanide solution with silver nitrate solution[2].
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Customers Also Viewed
Casassas E, et al.
Analyst, 109(9), 1159-1163 (1984)
P Emanuele et al.
Annals of diagnostic pathology, 2(2), 125-126 (1998-12-10)
We report a modified copper stain that can be completed in 2 hours, rather than overnight, which is required for other stains. This is useful in the diagnosis of chronic cholestatic syndromes, Wilson's disease, Indian childhood cirrhosis, and other conditions
J W Ludlow et al.
Analytical biochemistry, 154(1), 104-109 (1986-04-01)
5-(4-Dimethylaminobenzylidene)rhodamine, a silver-specific dye, was used in a colorimetric assay to quantitate the autoradiographic deposition of silver onto X-ray film after exposure to sodium dodecyl sulfate-polyacrylamide gels of radiolabeled biological material. Silver grains were eluted from autoradiograms with 5 N
J S Kumaratilake et al.
Research in veterinary science, 42(1), 73-81 (1987-01-01)
Six Merino sheep were dosed orally with a 0.2 per cent solution of copper sulphate, six others were undosed controls. Liver biopsies were obtained and stained for copper by the p-dimethylaminobenzylidene rhodanine (DMABR), rubeanic acid (RA) and ferricyanide (FCN) methods
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Which form of Rhodanine should be used to stain for copper?
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